Customized experimental muffle furnace

As a commonly used heat treatment experimental equipment in university laboratories and industrial and mining enterprise laboratories, the experimental muffle furnace is highly favored by teachers, students, and experimental personnel in universities and industrial and mining enterprises due to its advantages of low price and wide application. So, what aspects should be paid attention to when customizing an experimental muffle furnace? Let’s take a look below!

A commonly used experimental mini box furnace (click on the image to view product details)

1. Customization of core parameters
temperature range
Select the highest temperature according to experimental requirements, with a common range of 1000 ℃ -1800 ℃. For example:
Ash analysis: 1000 ℃ is sufficient;
Ceramic/glass sintering: requires 1400 ℃ or above;
Metal powder heat treatment: recommended at 1600 ℃ level.
When customizing, it is necessary to reserve a temperature margin (100 ℃ -200 ℃ higher than the actual demand) to avoid long-term full load operation and shorten the service life.

Furnace size
Select based on sample volume and batch size:
Teaching experiment: within 3L;
Small batch sintering: 5L-12L;
Batch processing or production grade applications: 20L or more.
Gas flow space needs to be considered to ensure temperature uniformity.

Temperature control accuracy and method
Basic requirements: ± 1 ℃ temperature control accuracy, supporting PID intelligent temperature control.
Advanced requirements:
Program heating function (≥ 30 segments);
Constant temperature time setting;
Microcomputer control system (supporting remote monitoring and data recording).

2. Function module expansion
Atmosphere protection system
Inert gases (argon, nitrogen) or reducing gases (hydrogen) can be introduced, supporting a vacuum environment (with a vacuum degree of up to 10 ⁻ Pa).
Reserved gas path quick interface, which can be linked with the gas mixing system to achieve precise ratio of multi-component gases.

Security protection design
Basic protection: Overtemperature alarm, leakage protection, disconnection protection, and power-off when opening the door.
Advanced Design:
Explosion proof furnace body (suitable for flammable and explosive gas environments);
Emergency stop button and fault self diagnosis system.

Observation and operational assistance
Optional observation window (high-temperature resistant quartz glass), video surveillance system or endoscope can be used to observe the status of the sample in real time.
Touch screen operation interface, supporting multi language switching and experimental data export.

3. Material and structural optimization
Furnace material
Lightweight alumina ceramic fiber: better insulation performance, better energy-saving effect, suitable for rapid heating scenarios.
Graphite material: less pollution, higher temperature resistance (up to 2000 ℃ or above), but higher cost.

heating element
Resistance wire: Low cost, suitable for low-temperature scenarios (≤ 1200 ℃).
Silicon carbon rod: High heating efficiency, long lifespan, suitable for medium to high temperature scenarios (1200 ℃ -1600 ℃).
Silicon molybdenum rod: with better high temperature resistance, suitable for high temperature scenarios (1600 ℃ -1800 ℃).

Furnace structure
Double layer shell design: The inner layer is heat-resistant, the outer layer is insulated, and the shell temperature is reduced (≤ 50 ℃).
Air/water cooling system: accelerates cooling and improves experimental efficiency.
Modular design: facilitates quick replacement of core components such as furnace tubes and heating elements.

4. Customization process and precautions
Requirement Validate
Provide detailed parameters such as experimental type, sample characteristics, temperature curve, and atmosphere requirements.
Clearly define the budget scope and delivery cycle.

Supplier selection
Prioritize choosing brands with good reputation to ensure product quality and after-sales service.
Examine supplier customization cases and customer evaluations to avoid selecting low-priced and low-quality suppliers.

Contract Signing
Clearly define technical parameters, acceptance criteria, warranty terms, and breach of contract responsibilities.
Require suppliers to provide operational training and technical support.

5. Typical application scenarios
material science
Synthesize new materials (such as carbon nanotubes and nanowires), prepare thin films (such as crystalline silicon coatings), and study the thermal properties of materials (such as phase transition behavior and thermal expansion coefficient).
chemical synthesis
Conducting organic/inorganic synthesis reactions under inert atmosphere to improve product purity and yield; Prepare catalysts and evaluate their activity and stability.
Energy and environment
Developing electrode materials for lithium-ion batteries and solar cells; Research on the pyrolysis and incineration treatment processes of pollutants.
Semiconductor Manufacturing
Wafer annealing and oxidation treatment enhance device performance and reliability.

Customized six sided heating box furnace (click on the picture to view product details)

6. Summary
In general, when customizing an experimental muffle furnace, it is important to pay attention to the above aspects. Before customization, you can communicate the parameters with relevant technical personnel in order to customize a high-temperature muffle furnace that is more suitable for your own experiment!Click to learn more Customized muffle furnaces! Or click on online customer service to learn more about product information!